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Finding the Fourth Proportional to 234.98, 352.05 and 158.01

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Solution

The fourth proportional to 234.98, 352.05 and 158.01 is: 236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.98 : 352.05 = 158.01 : x
  2. Step 2: Convert to fraction form
    234.98/352.05 = 158.01/x
  3. Step 3: Cross multiply
    234.98x = 352.05 × 158.01
  4. Step 4: Simplify right side
    234.98x = 55,627.13
  5. Step 5: Solve for x
    x = 55,627.13/234.98
  6. Step 6: Final answer
    x = 236.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.